BazaKodow.pl – postal codes in Poland

Sławiec postal code

Village · łomżyński county (powiat) · Nowogród municipality (gmina) · podlaskie voivodeship

Click a code to copy it
Sławiec:
code
1
streets
3

The postal code for Sławiec is 18-414. The code covers 3 streets.

Postal code – Sławiec

Streets A–Z (3)

How to address a letter or parcel in Poland?

Jan Kowalski
ul. Długa 1
18-414 Sławiec

Write the postal code in the 00-000 format on the last line, before the town name. Put the recipient's full name on the first line and the street with building and flat number on the second. For mail from abroad, add POLAND as the final line.

Frequently asked questions

What is the postal code for Sławiec?

The postal code for Sławiec is 18-414.

Which voivodeship and county is Sławiec in?

Sławiec (village) is in łomżyński county (powiat), Nowogród municipality (gmina), podlaskie voivodeship.

Which localities are closest to Sławiec?

The closest localities to Sławiec are: Grzymały (1.6 km), Stare Chojny (2 km), Grądy (2.7 km), Chojny Młode (2.9 km), Sulki (3.3 km), Bożenica (3.4 km). Distances are measured in a straight line between locality centres.

Localities near Sławiec (łomżyński county)

Which county and municipality does Sławiec belong to?

Sławiec lies in Nowogród municipality (gmina), in łomżyński county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.1833, 21.9187.

Where does this data come from?

Localities and postal codes come from the public TERYT registers (Statistics Poland), while streets, building numbers and locations come from the National Register of Boundaries (GUGiK). Data as of 12.11.2026. This site is not affiliated with Poczta Polska; for important shipments, confirm the code at a post office. More about sources